29864021224 has 8 divisors (see below), whose sum is σ = 55995039810. Its totient is φ = 14932010608.

The previous prime is 29864021219. The next prime is 29864021249. The reversal of 29864021224 is 42212046892.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 28679422500 + 1184598724 = 169350^2 + 34418^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1866501319 + ... + 1866501334.

Almost surely, 2^29864021224 is an apocalyptic number.

It is an amenable number.

29864021224 is a deficient number, since it is larger than the sum of its proper divisors (26131018586).

29864021224 is a wasteful number, since it uses less digits than its factorization.

29864021224 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3733002659 (or 3733002655 counting only the distinct ones).

The product of its (nonzero) digits is 110592, while the sum is 40.

The spelling of 29864021224 in words is "twenty-nine billion, eight hundred sixty-four million, twenty-one thousand, two hundred twenty-four".